292 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Fullerton: Maitz Home Services, CR Score 66/100; 4.7★ from 3,032 Google reviews; open 24/7.
Best for emergencies (open 24/7): Services United HVAC, posts 24/7 hours; ranked #2 of 292.
Most-reviewed: Schuler Service, Inc., 3,492 Google reviews at 4.9★, the most of 292 ranked; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
292 Fullerton HVAC contractors are ranked here by CR Score, from ten published factors. 92 are open 24/7, 147 open Saturdays and 116 open Sundays, based on posted hours. The median Google rating is 4.8★ across 292 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Maitz Home Services | 66 | 4.7★ (3,032) | Allentown, 5 mi away | 24/7 | Overall |
| 2 | Services United HVAC | 64 | 4.9★ (1,051) | Bethlehem, 10 mi away | 24/7 | Emergencies |
| 3 | Curtis Total Service | 64 | 4.6★ (851) | Allentown, 2 mi away | 24/7 | — |
| 4 | UGI Heating, Cooling & Plumbing | 64 | 4.7★ (427) | Whitehall Township, 1 mi away | 24/7 | — |
| 5 | Burkholder's Heating & Air Conditioning Inc. | 63 | 4.7★ (1,115) | Emmaus, 7 mi away | 24/7 | — |
| 6 | Haller Enterprises | 63 | 4.7★ (1,085) | Bethlehem, 8 mi away | 24/7 | — |
| 7 | HL Bowman Inc Plumbing Heating & AC | 63 | 4.8★ (478) | Allentown, 5 mi away | 24/7 | — |
| 8 | Carl Volkman And Sons HVAC LLC | 63 | 4.9★ (518) | Hellertown, 8 mi away | 24/7 | — |
| 9 | Comfort Solutions HVAC | 63 | 4.9★ (926) | Easton, 13 mi away | 24/7 | — |
| 10 | Dual Temp Co., Inc. | 63 | 4.9★ (220) | Allentown, 4 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.7★ from 3,032 Google reviews, listed on Google as “HVAC contractor”.
Based in Bethlehem, 10 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,051 Google reviews, listed on Google as “HVAC contractor”.
Based in Allentown, 2 mi away
Ranked #3 because of its Google rating and trade focus: 4.6★ from 851 Google reviews, listed on Google as “HVAC contractor”.
Based in Whitehall Township, 1 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 427 Google reviews, listed on Google as “HVAC contractor”.
Based in Emmaus, 7 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 1,115 Google reviews, listed on Google as “HVAC contractor”.
Based in Bethlehem, 8 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 1,085 Google reviews, listed on Google as “HVAC contractor”.
Based in Allentown, 5 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 478 Google reviews, listed on Google as “HVAC contractor”.
Based in Hellertown, 8 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 518 Google reviews, listed on Google as “HVAC contractor”.
Based in Easton, 13 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 926 Google reviews, listed on Google as “HVAC contractor”.
Based in Allentown, 4 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 220 Google reviews, listed on Google as “HVAC contractor”.
Based in Lehighton, 18 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 1,935 Google reviews, listed on Google as “Air conditioning repair service”.
Based in Allentown, 2 mi away
Ranked #12 because of its Google rating and review volume: 4.9★ from 3,492 Google reviews, the most in Fullerton.
Based in Hellertown, 8 mi away
Ranked #13 because of its Google rating and trade focus: 4.7★ from 251 Google reviews, listed on Google as “HVAC contractor”.
Based in Whitehall Township, 1 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 66 Google reviews, listed on Google as “HVAC contractor”.
Based in Souderton, 25 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 1,236 Google reviews, listed on Google as “Furnace repair service”.
Based in Phillipsburg, 3 mi away
Ranked #16 because of its Google rating and trade focus: 4.7★ from 62 Google reviews, listed on Google as “HVAC contractor”.
Based in Northampton, 3 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “HVAC contractor”.
Based in Easton, 11 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 145 Google reviews, listed on Google as “HVAC contractor”.
Based in Allentown, 2 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 729 Google reviews, listed on Google as “HVAC contractor”.
Based in Allentown, 2 mi away
Ranked #20 because of its Google rating and trade focus: 4.7★ from 38 Google reviews, listed on Google as “HVAC contractor”.
Based in Nazareth, 11 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 79 Google reviews, listed on Google as “HVAC contractor”.
Based in Bethlehem, 4 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 64 Google reviews, listed on Google as “HVAC contractor”.
Based in Allentown, 5 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 1,230 Google reviews, listed on Google as “HVAC contractor”.
Based in Lehighton, 19 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 578 Google reviews, listed on Google as “HVAC contractor”.
Based in Whitehall Township, 1 mi away
Ranked #25 because of its Google rating and trade focus: 4.6★ from 27 Google reviews, listed on Google as “HVAC contractor”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 292 ranked HVAC contractors here; the rest are on their profiles.
20 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| A-1 Electric Plumbing & Heating | 3.5★ (2) | 18 mi |
| A&S HVAC | 4.7★ (23) | 8 mi |
| Allen Air Heating & Cooling Services | 5.0★ (2) | 4 mi |
| AOK Heating Air Conditioning Electrical | 4.9★ (69) | 18 mi |
| Bowen Heating & Air Conditioning | 5.0★ (1) | 2 mi |
| Burkee Climate Control Inc. | 5.0★ (2) | 25 mi |
| Coolez HVAC | 5.0★ (2) | 10 mi |
| Fresh-Aire LLC | 5.0★ (19) | 11 mi |
| Fruhwirth Plumbing & Heating | 5.0★ (2) | 7 mi |
| Home Comfort & Beyond | 5.0★ (11) | 5 mi |
| JP Mechanical | 3.0★ (2) | 11 mi |
| Lehigh Valley Plumbing & Heating | 5.0★ (2) | 12 mi |
| LehighMiniSplits | 5.0★ (2) | 4 mi |
| M & M Contractors | 5.0★ (2) | 1 mi |
| Moyer Total Indoor Comfort | 4.7★ (170) | 18 mi |
| R.P.B. HVAC | 4.8★ (35) | 12 mi |
| Robert W Brooks Heating & Cooling | In Fullerton | |
| Trust Heating - Allentown | 4.0★ (1) | 2 mi |
| Unger & Sons | 5.0★ (2) | 14 mi |
| Why Pay More HVAC LLC | 4.6★ (17) | 6 mi |
National price ranges in USD, not adjusted for Fullerton. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
In Pennsylvania, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.
We scored 292 Fullerton HVAC contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Fullerton data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |